Vitamin B 12

It is responsible for the growth of cells in the body and the correct reproduction of their genetic information, protects the nervous system. It is necessary for the formation of blood cells, membranes of nerve cells and various proteins. It is also involved in the metabolism of fats and carbohydrates, and is important for normal growth. Symptoms of vitamin B12 deficiency are expressed in weakness, fatigue, occurrence of shortness of breath during physical effort, tingling and numbness in the extremities (paraesthesia), inflammation of the tongue (glossitis), loss of appetite and weight gain, loss of sense of smell and taste, impotence, psychiatric disorders (such as irritability , memory impairment, light forms of depression, hallucinations) and severe anemia (which can lead to manifestations of heart failure).